252737887 has 4 divisors (see below), whose sum is σ = 257021640. Its totient is φ = 248454136.

The previous prime is 252737873. The next prime is 252737921. The reversal of 252737887 is 788737252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 252737887 - 2²⁷ = 118520159 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252737887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252737687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2141788 + ... + 2141905.

It is an arithmetic number, because the mean of its divisors is an integer number (64255410).

Almost surely, 2^252737887 is an apocalyptic number.

252737887 is a deficient number, since it is larger than the sum of its proper divisors (4283753).

252737887 is an equidigital number, since it uses as much as digits as its factorization.

252737887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4283752.

The product of its digits is 1317120, while the sum is 49.

The square root of 252737887 is about 15897.7321338611. The cubic root of 252737887 is about 632.2518616079.

The spelling of 252737887 in words is "two hundred fifty-two million, seven hundred thirty-seven thousand, eight hundred eighty-seven".